1 /* $NetBSD: t_rwlock.c,v 1.1 2010/07/16 15:42:53 jmmv Exp $ */ 2 3 /* 4 * Copyright (c) 2008 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 /*- 30 * Copyright (c)2004 YAMAMOTO Takashi, 31 * All rights reserved. 32 * 33 * Redistribution and use in source and binary forms, with or without 34 * modification, are permitted provided that the following conditions 35 * are met: 36 * 1. Redistributions of source code must retain the above copyright 37 * notice, this list of conditions and the following disclaimer. 38 * 2. Redistributions in binary form must reproduce the above copyright 39 * notice, this list of conditions and the following disclaimer in the 40 * documentation and/or other materials provided with the distribution. 41 * 42 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 43 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 44 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 45 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 46 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 47 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 48 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 49 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 50 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 51 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 52 * SUCH DAMAGE. 53 */ 54 55 #include <sys/cdefs.h> 56 __COPYRIGHT("@(#) Copyright (c) 2008\ 57 The NetBSD Foundation, inc. All rights reserved."); 58 __RCSID("$NetBSD: t_rwlock.c,v 1.1 2010/07/16 15:42:53 jmmv Exp $"); 59 60 #include <errno.h> 61 #include <pthread.h> 62 #include <stdlib.h> 63 #include <string.h> 64 65 #include <atf-c.h> 66 67 #include "h_common.h" 68 69 pthread_rwlock_t lk; 70 71 struct timespec to; 72 73 /* ARGSUSED */ 74 static void * 75 do_nothing(void *dummy) 76 { 77 return NULL; 78 } 79 80 ATF_TC(rwlock1); 81 ATF_TC_HEAD(rwlock1, tc) 82 { 83 atf_tc_set_md_var(tc, "descr", "Checks read/write locks"); 84 } 85 ATF_TC_BODY(rwlock1, tc) 86 { 87 int error; 88 pthread_t t; 89 90 PTHREAD_REQUIRE(pthread_create(&t, NULL, do_nothing, NULL)); 91 PTHREAD_REQUIRE(pthread_rwlock_init(&lk, NULL)); 92 PTHREAD_REQUIRE(pthread_rwlock_rdlock(&lk)); 93 PTHREAD_REQUIRE(pthread_rwlock_rdlock(&lk)); 94 PTHREAD_REQUIRE(pthread_rwlock_unlock(&lk)); 95 96 ATF_REQUIRE_EQ(pthread_rwlock_trywrlock(&lk), EBUSY); 97 98 ATF_REQUIRE_EQ_MSG(clock_gettime(CLOCK_REALTIME, &to), 0, 99 "%s", strerror(errno)); 100 to.tv_sec++; 101 error = pthread_rwlock_timedwrlock(&lk, &to); 102 ATF_REQUIRE_MSG(error == ETIMEDOUT || error == EDEADLK, 103 "%s", strerror(error)); 104 105 PTHREAD_REQUIRE(pthread_rwlock_unlock(&lk)); 106 107 ATF_REQUIRE_EQ_MSG(clock_gettime(CLOCK_REALTIME, &to), 0, 108 "%s", strerror(errno)); 109 to.tv_sec++; 110 PTHREAD_REQUIRE(pthread_rwlock_timedwrlock(&lk, &to)); 111 112 ATF_REQUIRE_EQ_MSG(clock_gettime(CLOCK_REALTIME, &to), 0, 113 "%s", strerror(errno)); 114 to.tv_sec++; 115 error = pthread_rwlock_timedwrlock(&lk, &to); 116 ATF_REQUIRE_MSG(error == ETIMEDOUT || error == EDEADLK, 117 "%s", strerror(error)); 118 } 119 120 ATF_TP_ADD_TCS(tp) 121 { 122 ATF_TP_ADD_TC(tp, rwlock1); 123 124 return atf_no_error(); 125 } 126